alleryTo find 34 × 5, which method is easiest?
AA third of 34 × 10
BTwice 34 × 10
CHalf of 34 × 10
D34 × 10 less 5
Answer & Solution
Correct answer: C. Half of 34 × 10
1. 5 is half of 10.
2. 34 × 10 = 340; half of 340 is 170.
3. So 34 × 5 = 170.
_Source: Wikipedia, Multiplication (CC BY-SA 4.0, rev 1378304279), History_
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